<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="vue.js"></script>
</head>

<body>
    <div id="app">
        <!-- 对象的遍历使用of,key代表键-->
        <div v-for="item in userInfo">{{item}}</div>

    </div>

    <script>
        var vm = new Vue({
            el: "#app",
            data: {
                userInfo: [1,2,3,4]
            }
        })
    </script>
</body>

</html>